1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01da9fe83e89246a0a45bf1ff7c54fbed135b60dca49cedb06432f5a6a931e4d. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2c887f3d-c82c-4c4d-9bd2-eead6add3da2.json and https://artists.proofprofile.net/proofs/artist/2c887f3d-c82c-4c4d-9bd2-eead6add3da2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Cupido (Official Version Prod. by Roberto Ferrante, Ernesto Losa, Dj Conds)
Cupido - Official Version Prod. by Roberto Ferrante, Ernesto Losa, Dj Conds
{"copyright_id":"0xf3410d9c3f56e0cb7478d27a006b151a6535c9d2f281c7724b3ce0111c695e3c","isrc":"ITF252300093","name":"Cupido - Official Version Prod. by Roberto Ferrante, Ernesto Losa, Dj Conds","registered_at":"2026-06-04T03:22:20Z","spotify_id":"3aCsArlr9Tg02Ko6BoeCr3","type":"track"}
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3410d9c3f56e0cb7478d27a006b151a6535c9d2f281c7724b3ce0111c695e3c. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3aCsArlr9Tg02Ko6BoeCr3.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3aCsArlr9Tg02Ko6BoeCr3.
Mi Lugar Favorito (Prod. by Ernesto Losa, Roberto Ferrante)
Mi Lugar Favorito - Prod. by Ernesto Losa, Roberto Ferrante
{"copyright_id":"0x4a8809653def7785414594f8e44b4953dfb5e7832bc5113b906913f742586cd8","isrc":"ITF252300055","name":"Mi Lugar Favorito - Prod. by Ernesto Losa, Roberto Ferrante","registered_at":"2026-06-04T05:25:42Z","spotify_id":"1s1HC6pWnAnD71q7jNVw7w","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a8809653def7785414594f8e44b4953dfb5e7832bc5113b906913f742586cd8. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1s1HC6pWnAnD71q7jNVw7w.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1s1HC6pWnAnD71q7jNVw7w.
Te Amo (Versos Gastados) - Prod. by Cuban Deejay$
{"copyright_id":"0xada86ddbbc8b9c3bd8d2fde55d352421c2cb2b130f09d14907ef5838220d8787","isrc":"ITF251800107","name":"Te Amo (Versos Gastados) - Prod. by Cuban Deejay$","registered_at":"2026-06-05T21:07:15Z","spotify_id":"44IPKz8KN6H0wieHvTQH4w","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xada86ddbbc8b9c3bd8d2fde55d352421c2cb2b130f09d14907ef5838220d8787. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/44IPKz8KN6H0wieHvTQH4w.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/44IPKz8KN6H0wieHvTQH4w.
Latino! Greatest Hits - 53 Latin Top Hits (Original Versions!)
A Escondidas (European Club Mix by Cuban Deejays) - with Cuban Deejays
{"copyright_id":"0xf32d876bea75921eda51ce22a43eb210003956b16574451740d4e9f3367da0bc","isrc":"ITF251800098","name":"Tu Si Bailas - Afro Trap Brazil Remix","registered_at":"2026-06-24T17:06:39Z","spotify_id":"0nHczgcxtVIc2Yl1KPpwhC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf32d876bea75921eda51ce22a43eb210003956b16574451740d4e9f3367da0bc. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0nHczgcxtVIc2Yl1KPpwhC.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0nHczgcxtVIc2Yl1KPpwhC.
Fiesta Forever (Produced by Cuban Deejay$)
{"copyright_id":"0x9463755ebf43466bff8486728c59c4b4b91d7588e25117b2bd0c2b6f25bdb336","isrc":"ITF252100081","name":"Fiesta Forever - Prod. By Cuban Deejay$","registered_at":"2026-06-07T20:59:44Z","spotify_id":"2RGUFATsyrVxWYhCNUfU9R","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9463755ebf43466bff8486728c59c4b4b91d7588e25117b2bd0c2b6f25bdb336. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2RGUFATsyrVxWYhCNUfU9R.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2RGUFATsyrVxWYhCNUfU9R.
Boomerang - with Divan & Ky-Mani Marley (Prod. by Cuban Deejay$)
{"copyright_id":"0x47b2ae7d8e8504d8b8a42634bc36ce1a606bf6ea6d8f0705cf1c605ac790a9b2","isrc":"ITF251800130","name":"Boomerang - with Divan & Ky-Mani Marley (Prod. by Cuban Deejay$)","registered_at":"2026-06-20T19:45:38Z","spotify_id":"4ZA84skEeGv0QsLZ0WRE56","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47b2ae7d8e8504d8b8a42634bc36ce1a606bf6ea6d8f0705cf1c605ac790a9b2. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4ZA84skEeGv0QsLZ0WRE56.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4ZA84skEeGv0QsLZ0WRE56.
L'Ultima Parola - Prod. by Laïoung x Roberto Ferrante
Pa' Mover Caderas - Produced by Cuban Deejay$
{"copyright_id":"0xe53dd462fe053ed1ee3a8ea18be7add806e6bee07947382f9cb6970902179523","isrc":"ITF252200021","name":"Pa' Mover Caderas - Produced by Cuban Deejay$","registered_at":"2026-06-11T12:01:45Z","spotify_id":"5rJiWau4Xtbr5x00jn9LH2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe53dd462fe053ed1ee3a8ea18be7add806e6bee07947382f9cb6970902179523. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5rJiWau4Xtbr5x00jn9LH2.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5rJiWau4Xtbr5x00jn9LH2.
Lo Malo Se Va Bailando - Prod. by Roberto Ferrante
Latin Hits 2016 Club Edition - 65 Latin Music Hits (Salsa, Bachata, Dembow, Merengue, Reggaeton, Urbano, Timba, Cubaton Kuduro, Latin Fitness)
El Bombazo (with Yomil y El Dany & Cuban Deejays) Prod. J Simon X Cuban Deejays
LATIN HITS SUMMER 2019 - 40 Latin Music Hits (Reggaeton, Dembow, Urbano, Trap Latino, Cubaton, Salsa, Bachata, Merengue)
Come On Closer - Prod. by Roberto Ferrante - 2020 Remaster
{"copyright_id":"0x562600d4ee7f0e315503667d8bf5eb74932ba50fcb9b04ded90c595544bad6da","isrc":"QM4TX1907378","name":"Come On Closer - Prod. by Roberto Ferrante - 2020 Remaster","registered_at":"2026-06-06T14:56:49Z","spotify_id":"0vCAn2WK4EnqsPS4teH7Fn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x562600d4ee7f0e315503667d8bf5eb74932ba50fcb9b04ded90c595544bad6da. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0vCAn2WK4EnqsPS4teH7Fn.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0vCAn2WK4EnqsPS4teH7Fn.
Come On Closer - (Dub Version) Prod. by Roberto Ferrante - 2020 Remaster
{"copyright_id":"0x0111d5e458a20255d115fb3b790a07d25e6199d434775ebc7dab1d2760bdb6a3","isrc":"ITF258300002","name":"Come On Closer - (Dub Version) Prod. by Roberto Ferrante - 2020 Remaster","registered_at":"2026-06-07T11:11:52Z","spotify_id":"6kuJUlAVljF251MvyvdcPP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0111d5e458a20255d115fb3b790a07d25e6199d434775ebc7dab1d2760bdb6a3. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6kuJUlAVljF251MvyvdcPP.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6kuJUlAVljF251MvyvdcPP.
La Moet - Prod. by Roberto Ferrante, B One El Productor De Oro, Ernesto Losa
La Moet (Prod. by Roberto Ferrante, B One El Productor De Oro, Ernesto Losa)
{"copyright_id":"0x295f8f27df60b2b2a058a58114c48bb3e9f81f08e2505c4da2d9685a1c76d57f","isrc":"ITF252300369","name":"La Moet - Prod. by Roberto Ferrante, B One El Productor De Oro, Ernesto Losa","registered_at":"2026-06-05T09:37:52Z","spotify_id":"767j7CwyXtzZ5jNEpEgE5z","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x295f8f27df60b2b2a058a58114c48bb3e9f81f08e2505c4da2d9685a1c76d57f. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/767j7CwyXtzZ5jNEpEgE5z.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/767j7CwyXtzZ5jNEpEgE5z.
Si Te Vas / Que Tengo Que Hacer - Original Remix
{"copyright_id":"0x83267dfeabfc8556d8cac0699589e5860da3c74a65b2f77b5c74a6711901fbd3","isrc":"US5S30900001","name":"Si Te Vas / Que Tengo Que Hacer - Original Remix","registered_at":"2026-06-01T09:27:01Z","spotify_id":"0OyHCmkCp2qZJ44ZKB26fX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83267dfeabfc8556d8cac0699589e5860da3c74a65b2f77b5c74a6711901fbd3. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0OyHCmkCp2qZJ44ZKB26fX.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0OyHCmkCp2qZJ44ZKB26fX.
El Dueño Del Flow 2 (New Deluxe Version)
{"copyright_id":"0x83267dfeabfc8556d8cac0699589e5860da3c74a65b2f77b5c74a6711901fbd3","isrc":"US5S30900001","name":"Si Te Vas / Que Tengo Que Hacer - Original Remix","registered_at":"2026-06-01T09:26:59Z","spotify_id":"5QftcjJb5xsElSjbNiWYin","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83267dfeabfc8556d8cac0699589e5860da3c74a65b2f77b5c74a6711901fbd3. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5QftcjJb5xsElSjbNiWYin.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5QftcjJb5xsElSjbNiWYin.
Si Te Vas / Que Tengo Que Hacer - Miami Paris Remix
{"copyright_id":"0x41e5ae7d2c1f549f1b1e266ff17d4957788c0984a1a675f214153cf20706bb35","isrc":"ITF251000010","name":"Si Te Vas / Que Tengo Que Hacer - Miami Paris Remix","registered_at":"2026-06-05T11:11:07Z","spotify_id":"3PAYu9NkHiIZb6BAsYl2jH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41e5ae7d2c1f549f1b1e266ff17d4957788c0984a1a675f214153cf20706bb35. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3PAYu9NkHiIZb6BAsYl2jH.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3PAYu9NkHiIZb6BAsYl2jH.